Anything that is generally accepted as final payment for goods and services; serves as a medium of exchange, a store of value and a standard of value. Characteristics of money are portability, stability in value, uniformity, durability and acceptance.

The total amount owed by the national government to those from whom it has borrowed to finance the accumulated difference between annual budget deficits and annual budget surpluses; also called public debt.

A federal system of old-age, survivors', disability and hospital care (Medicare) insurance which requires employers to withhold (or transfer) wages from employees' paychecks and deposit that money in designated accounts.